All full-time regular status employees who are employed for five or more years are recognized for their years of service in five year increments. Service awards range from a certificate and pin to various engraved awards.

Ref: http://www.maricopa.edu/learn/programs/yos.html

Examples -

05 years - Red pin
10 years - Bronze pin
15 years - Silver pin
20 years - Gold pin

25 years - Card Holder

30 years - Pen/Pencil set

35 years - Clock